Are there threads on the 3/8 female end?

I left a comment above to someone else who said that this product was 3/8” male and female ends. It is not. I purchased the product and installed it today. It is 3/8” male NPT on one end, and 1/2” female flared swivel on the other. I installed this to complete my upgrade from a single tank to a dual propane system. The 3/8” male NPT threads into the outlet of the new dual regulator, and the 1/2 female flared swivel finished the connection to the main line going into my 2016 Coachmen trailer. The 4 foot hose was more than enough. I could have gotten by with 40” to 42”. Good product, good price.

This hose fits the regulator but not my rv. It’s too big. Is there an adapter I could use?

Hi, There are several adapters to fit different type of connections. The most common ones are 1/4”, 3/8 and 1/2” NPT and there are a couple of different sizes of regulators. I have no way to see which one you have or need, I’m sure if you google the RV specs. LP connector, etc. You will find the correct fitment or adapter to your needs. I wish I could help you more. Good luck!

Just to clarify fitting sizes could you screw one end into the other end?

NO. Thermo Plastic Hose Assembly including a 3/8" MNPT x 1/2" Female Flare Swivel, two different sizes on the ends.

Will the 1/2” female side fit on 1/2 black pipe

The female side is a flare fitting it won’t fit npt threaded pipe without an adapter from npt to flare

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🔥 Connect with Confidence: The Ultimate Propane Hose for the Modern Traveler 🚐

HIGH PRESSURE CONFIDENCE - Rated for up to 350 PSI, providing robust durability for your propane needs.
PRECISION FIT FOR YOUR RV - 48-inch thermo plastic hose designed to seamlessly connect your two-stage regulator to your RV’s gas system.
CERTIFIED SAFETY ASSURANCE - CSA and UL569/CAN 8.3-1 certified for propane gas, so you can trust every connection.
BUILT TO WITHSTAND EXTREME CONDITIONS - Operates reliably from -40°F to 140°F, ensuring safety and performance in any climate.
PREMIUM MATERIALS LIGHTWEIGHT DESIGN - Brass fittings combined with thermo plastic hose deliver strength without the bulk—only 8.8 ounces.

The Flame King 48-inch Propane Thermo Plastic Hose Assembly is a durable, CSA and UL certified gas hose designed specifically for RVs and travel trailers. Featuring a 3/8-inch ID with brass fittings, it supports up to 350 PSI and operates safely across a wide temperature range from -40°F to 140°F, ensuring reliable propane delivery in all your adventures.

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Brand	Flame King
Material	Brass, ThermoPlastic
Color	Black
Product Dimensions	48"L x 0.3"W
Item Weight	8.8 Ounces
Maximum Pressure	350 Pound per Square Inch
Nominal Wall Thickness	0.5 inch
Item Length	48 Inches
UPC	899003000854
Manufacturer	Flame King
Global Trade Identification Number	00899003000854
Model	100383-48
Item Weight	8.8 ounces
Item model number	100383-48
Manufacturer Part Number	100383-48

Flame King 48-inch Propane Thermo Plastic Hose Assembly, 3/8-inch ID, 3/8-inch MPT X 1/2-inch Female Flare, for RVs and Travel Trailers

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